1331331301097 has 6 divisors (see below), whose sum is σ = 1548691513578. Its totient is φ = 1141141115184.

The previous prime is 1331331301081. The next prime is 1331331301103. The reversal of 1331331301097 is 7901031331331.

It can be written as a sum of positive squares in only one way, i.e., 1322536800256 + 8794500841 = 1150016^2 + 93779^2 .

It is not a de Polignac number, because 1331331301097 - 2⁴ = 1331331301081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331331301067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13585013228 + ... + 13585013325.

It is an arithmetic number, because the mean of its divisors is an integer number (258115252263).

Almost surely, 2^{1331331301097} is an apocalyptic number.

It is an amenable number.

1331331301097 is a deficient number, since it is larger than the sum of its proper divisors (217360212481).

1331331301097 is an equidigital number, since it uses as much as digits as its factorization.

1331331301097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27170026567 (or 27170026560 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 35.

The spelling of 1331331301097 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, three hundred one thousand, ninety-seven".